<template>
<!-- vue3可以允许没有根标签 -->
  <div>
    <h1>111</h1>
  </div>
  <div>
    <h2>222</h2>
  </div>
</template>

<script lang="ts">
  import { defineComponent } from "vue"
  export default defineComponent({
  
      name:'About'

  })

</script>
<style scoped>
</style>